Create button on open-eyes LCD
This reads /dev/input/event0 (or other input device) on OPEN-EYES PIR
Get button event from open-eyes LCD
Delete button on open-eyes LCD
Set screen on open-eyes LCD
Identify person
This reads /dev/input/event2 on OPEN-EYES I/O
write cmd into OPEN-EYES I/O driver
Get event from voip client by POSIX queue
send voip cmd
Delete text on open-eyes LCD
Create TEXT on open-eyes LCD
Get event from eventbrite api